Yamaha TR-9C4
TrumpetIn Production
Precision Specifications
RIM DIAMETER16.28 mm
CUP DEPTHMedium
THROAT ∅3.65 mm
BACKBOREStandard
SHANKDefined bite for easy blowing and extended endurance.5
CUP SHAPE—
Rim Widthstandard
Rim Contoursemi-round
Throat Drill #—
Materialbrass
FinishSilver plated
Weight—
Recommended For
OrchestralClassicalAll Around
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Reference Notes
Yamaha TR-9C4 appears in the Trumpet catalog section with 16.28 mm rim, Medium cup, 3.65 mm throat, Standard backbore, and Defined bite for easy blowing and extended endurance.5 shank. Database tags list it for Orchestral, Classical, and All Around use. Use these measurements as a comparison starting point: fit and response still depend on the player, dental structure, instrument receiver, and each manufacturer's measuring method.
Brand Deep Dive
Yamaha · BrassFit Science
Yamaha Mouthpiece Guide
Yamaha mouthpiece numbering, cup families, and instrument-specific selection guide.